Driving mechanism



Aug. l9, 1930. K. K. HUPPMANN DRIVING MECHANISM Filed Sept. 5. 1929 IN VEN TOR.

A TTORNEYS.

gear and said spur gear 1s rigidly mounted on the shaft 8, said shaft 8will be rotated also.

By adjusting the eccentric 10 by means of the worm 16 and worm gear 12it is possible to bring the outer teeth 19 of the box gear intoengagement with any one set of the teeth in v rection. WVhen thishappens the rotation of V the axle 8 will also be reversed. Thi'ss'howsm clearly, that the axle may be driven in ferent speeds forwardand rearward w1 thout min the w re a he shares sheet; j

' f on ach of the journals 15 of the frame of the auto i ib le'acircular box 2 i formed adj ace'nt each of the driven wheels 7, aild thecommon a xle-8 extends through said boxesfj In each at said-boxesihnerteeth 22 pr i lsd t restart? retested ,lat'eron.

"Adj e he Outer area of ea h o he wheels 7% lF j na1 ama in is rigidl'yli d n th ammon "shaft 8.

Two other spur gears the same 'sizeand the same pitch as thefsp'uf gear2311119511 fwith the spur gear 28 and'are'rigidly mounted on shortshafts 25,which are 'ro'tatab'lyjournailed in the wheel 7 anda'rearranged diametrically opposite to eaohothe'r m relation central gear23. the innerend of the short shafts 25, an eccentric 2'6'is rigidlymounted, so that the eccentricity 'ofsa'id two members will be alwaysthe same. Said eccentrics are rotatably arranged 1n holes-profvided'forthis urpo e in aspire ear 27, which tar 2i."

is positiondbetween the wh e 1:7 and inside the box like member 21,formed on the jourf n als l4 and 15," The 'spl ur gear 27 1s providedwith acentral hole 28 and'mshes with the internal teetli'22 onthe box 51a order to reduce thegtrietion between the driven wheels? and the ommonaxle 8, the

mg inw rdly and a tau bearing 3Q er the like may bearranged'betweensaidhub and lthflxle i a the common axle is driye niin themanner described above and the automobile v is traveling straight ahe ad the three inter-- l0cking spur gears 23, 2st and 24fwillrotate a witheach other on'eunit about the axis 'of I I in consequence thewheel willalso be ro .tatedsince the short shafts 25 of the spur "gears 24 takealong: vThe spur gear 2? inside the box like member 21 will also bemoved and will travel around in said box like member meshing with theinside teeth thereof. hen however the automobile turns into a curvewhereby naturally the one driven wheel has to travel faster than theother one, the two spur gears 24 will be carried along with the wheelwhich travels faster than the other one, so that they will perform aplanetary movement about the central spur gear 23. Through this movementof the spur gears 24 the eccentrics 26 will also be operated, so thatthese ec ceiitrios rotate in the holes provided for them in the spurgear '27 this last named spur gear will be "inov'ed'in ward'ly of thebox like member 21,

so that it will be rotated with the wheel 7, 'ljuflat' tlie same timewill be taken out of .fr e y 2 plainly, that a c'o mparatively reat'n'ub r thejteethof th sp r'gear 27 i ,l M, 1 are n eng ementgwith the innerteeth 22 a v 1 or the pea lfiameal er 2r. yiwae'n th r fore tionf ofthewheels is stopped; a good the rota 0 be performed, '1 Ltlaim as new a;ecure by Letters Patent 5- Y a e of t e 15 es bed a semig ifnieinber,aplurality oit s'etszof xterm gear teeth inembrfsaidjinein'ber adapted'to be rotated, 'a 'rota tably ournanea i thesemi-globular memberfan eccentric adoribed'my inyiiti'on and how 7 i ?!ve se ue' ee o sai 9? sear adapt be Put te en a e n ea add a rur a s ly ii tdon sa d axle and meshing 85 113 11111? gatghai te urpr setsgearteeth insideo f saidglob ilan member, an axleexten'ding at rightangles to .i .i a v ,7 r u the ax s oir a Qf aid g qbular menr wheel smay be proylded wlthahub extendher, an 1 automobile wheel rotatablymounted adjacent eaeh end vof said shatfl'ari eccentric adjustablymounted on said axle, a, box gear weekl mm rlen s id e ea i Set of pt-tr te t rradapted to be put on: said box gearand j r I ngagement'selectlvel y ,rvi. 1, Lu:

wlth the d fferent set of internal wgrm gear teeth of the globlarimemberra set o'f1int 1 1f gear teethn .th'b ii gay; a pu gar rigidly-mounted on: said axle: meshing with'the inner teeth of the box gear, aeo'm- V i a e i lymal1sh n ea i l m i a e short shafts rotatablyarrangedin each Wheel, 7 I

a spur gear rigidly mounted on each short shaft and meshing with thegear on theend of the axle, an internal gear rigidly connected i withthe frame ofthe automobile, said axle extending rotatably through thecenter of the internal gear, an eccentric rigidly fastened to the innerend of each of the short shafts and a spur gearmeshing With'the internalgear and having holes therein adapted to receive the eccentrics 0n theshort shafts.

In WitIlGSS' whereof I affix my signature.

I I KARL K. HUPPMANN.

